This study includes two experimental arms to research cognitive compensatory group treatment in severe mental illness population. The study consists of 4 primary phases: recruitment, assessment, intervention and post-intervention assessment. Two arms involve an ambulatory participants. participants are assigned to an intervention or control group according to the order of recruitment. Assessment and post-assessment phases include assessments of functional capacity, cognitive functions and severity of symptoms.
Intervention includes 12 group sessions in a small group of five participants, focusing on learning compensatory strategies aimed to improve attention, concentration, learning, memory, organization, and problem-solving in order to improve everyday functioning. Interventions will be performed in addition to standard ambulatory treatment. The control group will receive standard ambulatory treatment only.